<template>
  <div v-show="showFlag" class="food" transition="move" v-el:food>
    <div class="food-content">
      <div class="image-header">
        <img :src="food.image">
        <div class="back" @click="hide">
          <i class="icon-arrow_lift"></i>
        </div>
      </div>
      <div class="content">
        <h1 class="title">{{food.name}}</h1>
        <div class="detail">
          <span class="sell-count">月售{{food.sellCount}}份</span><span class="rating">好评率{{food.rating}}%</span>
        </div>
        <div class="price">
          <span class="now">￥{{food.price}}</span><span v-show="food.oldPrice" class="old">￥{{food.oldPrice}}</span>
        </div>
        <div class="cartcontrol-wrapper">
          <cartcontrol :food="food"></cartcontrol>
        </div>
        <div class="buy" @click="addFirst" v-show="!food.count || food.count===0" transition="fade">加入购物车</div>
      </div>
      <split v-show="food.info"></split>
      <div class="info" v-show="food.info">
        <h1 class="title">商品信息</h1>
        <p class="text">{{food.info}}</p>
      </div>
      <split></split>
      <div class="rating">
        <h1 class="title">商品评价</h1>
        <ratingselect :only-content="onlyContent" :select-type="selectType" :desc="desc"
                      :ratings="food.ratings"></ratingselect>
        <div class="rating-wrapper">
          <ul v-show="food.ratings && food.ratings.length" v-el:rating-ul>
            <li v-show="needShow(rating.rateType,rating.text)" v-for="rating in food.ratings"
                class="rating-item border-1px">
              <div class="user">
                <span class="name">{{rating.username}}</span>
                <img class="avatar" width="12" height="12" :src="rating.avatar">
              </div>
              <div class="time">{{rating.rateTime | formatDate}}</div>
              <p class="text">
                <span :class="{'icon-thumb_up':rating.rateType===0,'icon-thumb_down':rating.rateType===1}"></span>
                {{rating.text}}</p>
            </li>
          </ul>
          <div class="no-rating" v-show="!food.ratings || !food.ratings.length">
            暂无评价
          </div>
        </div>
      </div>
    </div>
  </div>
</template>

<script type="text/ecmascript-6">
  import BScroll from 'better-scroll';
  import cartcontrol from 'components/cartcontrol/cartcontrol';
  import split from 'components/split/split';
  import ratingselect from 'components/ratingselect/ratingselect';
  import Vue from 'vue';
  import {formatDate} from 'common/js/date';

  //  const POSITIVE = 0;
  //  const NEGATIVE = 1;
  const ALL = 2;

  export default {
    props: {
      food: {
        type: Object
      }
    },
    data() {
      return {
        showFlag: false,
        selectType: ALL,
        onlyContent: true,
        desc: {
          all: '全部',
          positive: '推荐',
          negative: '吐槽'
        }
      };
    },
    methods: {
//      checkType() {
//          console.log('asd');
//        this.nextTick(() => {
//            console.log(this.$els.ratingUl.clientHeight);
//          if (this.$els.ratingUl.clientHeight > 0) {
//            return false;
//          } else {
//            return true;
//          }
//        });
//      },
      show() {
        this.showFlag = true;
        this.selectType = ALL;
        this.onlyContent = true;
        this.$nextTick(() => {
          if (!this.scroll) {
            this.scroll = new BScroll(this.$els.food, {click: true});
          } else {
            this.scroll.refresh();
          }
        });
      },
      hide() {
        this.showFlag = false;
      },
      addFirst(event) {
//          防止pc多次点击
        if (!event._constructed) {
          return;
        }
//        console.log(event.target);
        this.$dispatch('cart.add', event.target);
        Vue.set(this.food, 'count', 1);
      },
      needShow(type, text) {
        if (this.onlyContent && !text) {
          return false;
        }
        if (this.selectType === ALL) {
          return true;
        } else {
          return type === this.selectType;
        }
      }
    },
    events: {
      'ratingType.select' (type) {
        this.selectType = type;
        this.$nextTick(() => {
          this.scroll.refresh();
        });
      },
      'content.total' (onlyContent) {
        this.onlyContent = onlyContent;
        this.$nextTick(() => {
          this.scroll.refresh();
        });
      }
    },
    filters: {
      formatDate(time) {
        let date = new Date(time);
        return formatDate(date, 'yyyy-MM-dd hh-mm');
      }
    },
    components: {
      cartcontrol,
      split,
      ratingselect
    }
  };
</script>

<style lang="stylus" rel="stylesheet/stylus">
  @import '../../common/stylus/mixin.styl'

  .food
    position fixed
    left 0
    top 0
    bottom 48px
    z-index 30
    background #fff
    width 100%
    &.move-transition
      transition all 0.2s linear
      transform translate3d(0, 0, 0)
    &.move-enter, &.move-leave
      transform translate3d(100%, 0, 0)
    .food-content
      position relative
    .image-header
      position relative
      width 100%
      height 0
      padding-top 100%
      img
        position absolute
        width 100%
        height: 100%
        left 0
        top 0
      .back
        position absolute
        left 0
        top 10px
        .icon-arrow_lift
          display block
          padding 10px
          font-size 20px
          color #fff
    .cartcontrol-wrapper
      position absolute
      right 12px
      bottom 12px
    .buy
      position absolute
      right 18px
      bottom 18px
      z-index 10
      height 24px
      line-height 24px
      padding 0 12px
      border-radius 12px
      color #fff
      background rgb(0, 160, 220)
      box-sizing border-box
      font-size 10px
      &.move-transition
        transition all 0.2s
        opacity 0
      &.move-enter, &.move-leave
        opacity 1
    .content
      position relative
      padding 18px
      .title
        line-height 14px
        margin-bottom 8px
        font-size 14px
        font-weight 700
        color rgb(7, 17, 27)
      .detail
        margin-bottom 18px
        height 10px
        line-height 10px
        font-size 0
        .sell-count, .rating
          font-size 10px
          color rgb(147, 153, 159)
        .sell-count
          margin-right 12px
      .price
        font-weight 700
        line-height 24px
        .now
          margin-right 8px
          font-size 14px
          color rgb(240, 20, 20)
        .old
          text-decoration line-through
          font-size 10px
          color rgb(147, 153, 159)
    .info
      padding 18px
      .title
        line-height 14px
        margin-bottom 6px
        font-size 14px
        color rgb(7, 17, 27)
      .text
        padding 0 8px
        line-height 24px
        font-size 14px
        color rgb(77, 85, 93)
    .rating
      padding 18px
      .title
        line-height 14px
        margin-left 18px
        font-size 14px
        color rgb(7, 17, 27)
      .rating-wrapper
        padding 0 18px
        .rating-item
          position relative
          padding 16px 0
          border-1px(rgba(7, 17, 27, 0.1))
          .user
            position absolute
            right 0
            top 16px
            line-height 12px
            font-size 0
            .name
              font-size 10px
              display inline-block
              vertical-align top
              margin-right 6px
              color rgb(147, 153, 159)
            .avatar
              border-radius 50%
          .time
            line-height 12px
            font-size 10px
            margin-bottom 6px
            color rgb(147, 153, 159)
          .text
            line-height 16px
            font-size 12px
            color rgb(7, 17, 27)
            .icon-thumb_up, .icon-thumb_down
              margin-right 4px
              line-height 18px
              font-size 12px
            .icon-thumb_up
              color rgb(0, 160, 220)
            .icon-thumb_down
              color rgb(147, 153, 159)
        .no-rating
          padding 16px 0
          font-size 12px
          color rgb(147, 153, 159)

</style>
